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João P. Pennacchi, Elizabete Carmo-Silva, P. John Andralojc, David Feuerhelm, Stephen J. Powers and Martin A. J. Parry
Improving crop yields arises as a solution to ensure food security in the future scenarios of a growing world population, changes in food consumption patterns, climate change, and limitations on resources allocated to agriculture. Defining traits that ca...
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Abdullah A. Jaradat and Walter Goldstein
Densities of single and multiple macro- and micronutrients were estimated in the mature kernels of 1348 accessions in 13 maize genotypes. The germplasm belonged to stiff stalk (SS) and non-stiff stalk (NS) heterotic groups (HGs) with one (S1) to four (S4...
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Andrew Slack, Jeffrey Kane, Eric Knapp and Rosemary Sherriff
Many forest ecosystems with a large pine component in the western United States have experienced environmental stress associated with climate change and increased competition with forest densification in the absence of fire. Information on how changes in...
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James W. Raich
The principal objective of this study was to determine if there is consistent temporal variability in soil respiration from different forest plantations in a lowland tropical rainforest environment. Soil respiration was measured regularly over 2004 to 20...
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Francisco J. Calderón, David J. Schultz and Eldor A. Paul
Pág. 1614 - 1623
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